Marques, Cristiana, Ana Galhardo, Marina Cunha, and Margarida Couto. 2017. “Development of the Questionnaire of Motivations to Disclose Not Disclose the Non-Genetic Parenthood by Gamete Donation’s Questionnaire”. Portuguese Journal of Behavioral and Social Research 3 (1): 2–13. https://doi.org/10.7342/ismt.rpics.2017.3.1.35.